surveytranslator_helper.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
    /*
    * LimeSurvey
    * Copyright (C) 2007-2011 The LimeSurvey Project Team / Carsten Schmitz
    * All rights reserved.
    * License: GNU/GPL License v2 or later, see LICENSE.php
    * LimeSurvey is free software. This version may have been modified pursuant
    * to the GNU General Public License, and as distributed it includes or
    * is derivative of works licensed under the GNU General Public License or
    * other free or open source software licenses.
    * See COPYRIGHT.php for copyright notices and details.
    *
    *	$Id$
    */


    /*
    * Internationalization and Localization utilities
    *
    * @package Classes
    * @subpackage Core
    */


    /**
    * Returns all available dateformats in a structured aray
    * If $format is given only the particual dateformat will be returned
    *
    * @param $format integer
    * @returns array
    *
    */
    function getDateFormatData($format=0)
    {
        $dateformats= array(
        1=> array ('phpdate' => 'd.m.Y', 'jsdate' => 'dd.mm.yy', 'dateformat' => 'dd.mm.yyyy'),
        2=> array ('phpdate' => 'd-m-Y', 'jsdate' => 'dd-mm-yy', 'dateformat' => 'dd-mm-yyyy'),
        5=> array ('phpdate' => 'd/m/Y', 'jsdate' => 'dd/mm/yy', 'dateformat' => 'dd/mm/yyyy'),
        3=> array ('phpdate' => 'Y.m.d', 'jsdate' => 'yy.mm.dd', 'dateformat' => 'yyyy.mm.dd'),
        6=> array ('phpdate' => 'Y-m-d', 'jsdate' => 'yy-mm-dd', 'dateformat' => 'yyyy-mm-dd'),
        7=> array ('phpdate' => 'Y/m/d', 'jsdate' => 'yy/mm/dd', 'dateformat' => 'yyyy/mm/dd'),
        4=> array ('phpdate' => 'j.n.Y', 'jsdate' => 'd.m.yy', 'dateformat' => 'd.m.yyyy'),
        12=>array ('phpdate' => 'j-n-Y', 'jsdate' => 'd-m-yy',    'dateformat' => 'd-m-yyyy'),
        8=> array ('phpdate' => 'j/n/Y', 'jsdate' => 'd/m/yy', 'dateformat' => 'd/m/yyyy'),
        9=> array ('phpdate' => 'm-d-Y', 'jsdate' => 'mm-dd-yy', 'dateformat' => 'mm-dd-yyyy'),
        10=>array ('phpdate' => 'm.d.Y', 'jsdate' => 'mm.dd.yy',  'dateformat' => 'mm.dd.yyyy'),
        11=>array ('phpdate' => 'm/d/Y', 'jsdate' => 'mm/dd/yy',  'dateformat' => 'mm/dd/yyyy')
        );

        if ($format > 11) {
            $format = 11;   // TODO - what should default be?
        }
        if ($format >0)
        {
            return $dateformats[$format];
        }
        else
            return $dateformats;

    }

    function getLanguageData($orderbynative=false,$sLanguageCode='en') {

        $clang = new Limesurvey_lang($sLanguageCode);

        static $supportedLanguages;
        static $result = array();

        if (isset($result[$orderbynative])) return $result[$orderbynative];

        if (!isset($supportedLanguages)) {
            // Albanian
            $supportedLanguages['sq']['description'] = $clang->gT('Albanian');
            $supportedLanguages['sq']['nativedescription'] = 'Shqipe';
            $supportedLanguages['sq']['rtl'] = false;
            $supportedLanguages['sq']['dateformat'] = 1;
            $supportedLanguages['sq']['radixpoint'] = 1;

            // Arabic
            $supportedLanguages['ar']['description'] = $clang->gT('Arabic');
            $supportedLanguages['ar']['nativedescription'] = '&#1593;&#1614;&#1585;&#1614;&#1576;&#1610;&#1618;';
            $supportedLanguages['ar']['rtl'] = true;
            $supportedLanguages['ar']['dateformat'] = 2;
            $supportedLanguages['ar']['radixpoint'] = 0;

            // Basque
            $supportedLanguages['eu']['description'] = $clang->gT('Basque');
            $supportedLanguages['eu']['nativedescription'] = 'Euskara';
            $supportedLanguages['eu']['rtl'] = false;
            $supportedLanguages['eu']['dateformat'] = 3;
            $supportedLanguages['eu']['radixpoint'] = 1;

            // Belarusian
            $supportedLanguages['be']['description'] = $clang->gT('Belarusian');
            $supportedLanguages['be']['nativedescription'] = '&#1041;&#1077;&#1083;&#1072;&#1088;&#1091;&#1089;&#1082;&#1110;';
            $supportedLanguages['be']['rtl'] = false;
            $supportedLanguages['be']['dateformat'] = 1;
            $supportedLanguages['be']['radixpoint'] = 1;

            // Bosnian
            $supportedLanguages['bs']['description'] = $clang->gT('Bosnian');
            $supportedLanguages['bs']['nativedescription'] = 'Bosanski';
            $supportedLanguages['bs']['rtl'] = false;
            $supportedLanguages['bs']['dateformat'] = 4;
            $supportedLanguages['bs']['radixpoint'] = 0;

            // Bulgarian
            $supportedLanguages['bg']['description'] = $clang->gT('Bulgarian');
            $supportedLanguages['bg']['nativedescription'] = '&#x0411;&#x044a;&#x043b;&#x0433;&#x0430;&#x0440;&#x0441;&#x043a;&#x0438;';
            $supportedLanguages['bg']['rtl'] = false;
            $supportedLanguages['bg']['dateformat'] = 1;
            $supportedLanguages['bg']['radixpoint'] = 0;

            // Catalan
            $supportedLanguages['ca']['description'] = $clang->gT('Catalan');
            $supportedLanguages['ca']['nativedescription'] = 'Catal&#940;';
            $supportedLanguages['ca']['rtl'] = false;
            $supportedLanguages['ca']['dateformat'] = 1;
            $supportedLanguages['ca']['radixpoint'] = 1;

            // Welsh
            $supportedLanguages['cy']['description'] = $clang->gT('Welsh');
            $supportedLanguages['cy']['nativedescription'] = 'Cymraeg';
            $supportedLanguages['cy']['rtl'] = false;
            $supportedLanguages['cy']['dateformat'] = 5;
            $supportedLanguages['cy']['radixpoint'] = 0;

            // Chinese (Simplified)
            $supportedLanguages['zh-Hans']['description'] = $clang->gT('Chinese (Simplified)');
            $supportedLanguages['zh-Hans']['nativedescription'] = '&#31616;&#20307;&#20013;&#25991;';
            $supportedLanguages['zh-Hans']['rtl'] = false;
            $supportedLanguages['zh-Hans']['dateformat'] = 6;
            $supportedLanguages['zh-Hans']['radixpoint'] = 0;

            // Chinese (Traditional - Hong Kong)
            $supportedLanguages['zh-Hant-HK']['description'] = $clang->gT('Chinese (Traditional - Hong Kong)');
            $supportedLanguages['zh-Hant-HK']['nativedescription'] = '&#32321;&#39636;&#20013;&#25991;&#35486;&#31995;';
            $supportedLanguages['zh-Hant-HK']['rtl'] = false;
            $supportedLanguages['zh-Hant-HK']['dateformat'] = 6;
            $supportedLanguages['zh-Hant-HK']['radixpoint'] = 0;

            // Chinese (Traditional - Taiwan)
            $supportedLanguages['zh-Hant-TW']['description'] = $clang->gT('Chinese (Traditional - Taiwan)');
            $supportedLanguages['zh-Hant-TW']['nativedescription'] = '&#32321;&#39636;&#20013;&#25991;&#65288;&#21488;&#28771;&#65289;';
            $supportedLanguages['zh-Hant-TW']['rtl'] = false;
            $supportedLanguages['zh-Hant-TW']['dateformat'] = 6;
            $supportedLanguages['zh-Hant-TW']['radixpoint'] = 0;

            // Croatian
            $supportedLanguages['hr']['description'] = $clang->gT('Croatian');
            $supportedLanguages['hr']['nativedescription'] = 'Hrvatski';
            $supportedLanguages['hr']['rtl'] = false;
            $supportedLanguages['hr']['dateformat'] = 4;
            $supportedLanguages['hr']['radixpoint'] = 1;

            // Czech
            $supportedLanguages['cs']['description'] = $clang->gT('Czech');
            $supportedLanguages['cs']['nativedescription'] = '&#x010c;esky';
            $supportedLanguages['cs']['rtl'] = false;
            $supportedLanguages['cs']['dateformat'] = 4;
            $supportedLanguages['cs']['radixpoint'] = 1;

            // Danish
            $supportedLanguages['da']['description'] = $clang->gT('Danish');
            $supportedLanguages['da']['nativedescription'] = 'Dansk';
            $supportedLanguages['da']['rtl'] = false;
            $supportedLanguages['da']['dateformat'] =  2;
            $supportedLanguages['da']['radixpoint'] = 1;

            // Dutch
            $supportedLanguages['nl']['description'] = $clang->gT('Dutch');
            $supportedLanguages['nl']['nativedescription'] = 'Nederlands';
            $supportedLanguages['nl']['rtl'] = false;
            $supportedLanguages['nl']['dateformat'] = 2;
            $supportedLanguages['nl']['radixpoint'] = 1;

            // Dutch
            $supportedLanguages['nl-informal']['description'] = $clang->gT('Dutch Informal');
            $supportedLanguages['nl-informal']['nativedescription'] = 'Nederlands (informeel)';
            $supportedLanguages['nl-informal']['rtl'] = false;
            $supportedLanguages['nl-informal']['dateformat'] = 2;
            $supportedLanguages['nl-informal']['radixpoint'] = 1;

            // English
            $supportedLanguages['en']['description'] = $clang->gT('English');
            $supportedLanguages['en']['nativedescription'] = 'English';
            $supportedLanguages['en']['rtl'] = false;
            $supportedLanguages['en']['dateformat'] = 9;
            $supportedLanguages['en']['radixpoint'] = 0;

            // Estonian
            $supportedLanguages['et']['description'] = $clang->gT('Estonian');
            $supportedLanguages['et']['nativedescription'] = 'Eesti';
            $supportedLanguages['et']['rtl'] = false;
            $supportedLanguages['et']['dateformat'] = 4;
            $supportedLanguages['et']['radixpoint'] = 1;

            // Finnish
            $supportedLanguages['fi']['description'] = $clang->gT('Finnish');
            $supportedLanguages['fi']['nativedescription'] = 'Suomi';
            $supportedLanguages['fi']['rtl'] = false;
            $supportedLanguages['fi']['dateformat'] = 4;
            $supportedLanguages['fi']['radixpoint'] = 1;

            // French
            $supportedLanguages['fr']['description'] = $clang->gT('French');
            $supportedLanguages['fr']['nativedescription'] = 'Fran&#231;ais';
            $supportedLanguages['fr']['rtl'] = false;
            $supportedLanguages['fr']['dateformat'] = 2;
            $supportedLanguages['fr']['radixpoint'] = 1;

            // Galician
            $supportedLanguages['gl']['description'] = $clang->gT('Galician');
            $supportedLanguages['gl']['nativedescription'] = 'Galego';
            $supportedLanguages['gl']['rtl'] = false;
            $supportedLanguages['gl']['dateformat'] = 5;
            $supportedLanguages['gl']['radixpoint'] = 1;

            // German
            $supportedLanguages['de']['description'] = $clang->gT('German');
            $supportedLanguages['de']['nativedescription'] = 'Deutsch';
            $supportedLanguages['de']['rtl'] = false;
            $supportedLanguages['de']['dateformat'] = 1;
            $supportedLanguages['de']['radixpoint'] = 1;

            // German informal
            $supportedLanguages['de-informal']['description'] = $clang->gT('German informal');
            $supportedLanguages['de-informal']['nativedescription'] = 'Deutsch (Du)';
            $supportedLanguages['de-informal']['rtl'] = false;
            $supportedLanguages['de-informal']['dateformat'] = 1;
            $supportedLanguages['de-informal']['radixpoint'] = 1;

            // Greek
            $supportedLanguages['el']['description'] = $clang->gT('Greek');
            $supportedLanguages['el']['nativedescription'] = '&#949;&#955;&#955;&#951;&#957;&#953;&#954;&#940;';
            $supportedLanguages['el']['rtl'] = false;
            $supportedLanguages['el']['dateformat'] = 8;
            $supportedLanguages['el']['radixpoint'] = 1;

            // Hindi
            $supportedLanguages['hi']['description'] = $clang->gT('Hindi');
            $supportedLanguages['hi']['nativedescription'] = '&#2361;&#2367;&#2344;&#2381;&#2342;&#2368;';
            $supportedLanguages['hi']['rtl'] = false;
            $supportedLanguages['hi']['dateformat'] = 2;
            $supportedLanguages['hi']['radixpoint'] = 0;

            // Hebrew
            $supportedLanguages['he']['description'] = $clang->gT('Hebrew');
            $supportedLanguages['he']['nativedescription'] = ' &#1506;&#1489;&#1512;&#1497;&#1514;';
            $supportedLanguages['he']['rtl'] = true;
            $supportedLanguages['he']['dateformat'] = 5;
            $supportedLanguages['he']['radixpoint'] = 0;

            // Hungarian
            $supportedLanguages['hu']['description'] = $clang->gT('Hungarian');
            $supportedLanguages['hu']['nativedescription'] = 'Magyar';
            $supportedLanguages['hu']['rtl'] = false;
            $supportedLanguages['hu']['dateformat'] = 6;
            $supportedLanguages['hu']['radixpoint'] = 1;

            // Icelandic
            $supportedLanguages['is']['description'] = $clang->gT('Icelandic');
            $supportedLanguages['is']['nativedescription'] = '&#237;slenska';
            $supportedLanguages['is']['rtl'] = false;
            $supportedLanguages['is']['dateformat'] = 1;
            $supportedLanguages['is']['radixpoint'] = 1;

            // Indonesian
            $supportedLanguages['id']['description'] = $clang->gT('Indonesian');
            $supportedLanguages['id']['nativedescription'] = 'Bahasa Indonesia';
            $supportedLanguages['id']['rtl'] = false;
            $supportedLanguages['id']['dateformat'] = 5;
            $supportedLanguages['id']['radixpoint'] = 1;

            // Irish
            $supportedLanguages['ie']['description'] = $clang->gT('Irish');
            $supportedLanguages['ie']['nativedescription'] = 'Gaeilge';
            $supportedLanguages['ie']['rtl'] = false;
            $supportedLanguages['ie']['dateformat'] = 2;
            $supportedLanguages['ie']['radixpoint'] = 0;

            // Italian
            $supportedLanguages['it']['description'] = $clang->gT('Italian');
            $supportedLanguages['it']['nativedescription'] = 'Italiano';
            $supportedLanguages['it']['rtl'] = false;
            $supportedLanguages['it']['dateformat'] = 5;
            $supportedLanguages['it']['radixpoint'] = 1;

            // Italian-Formal
            $supportedLanguages['it-formal']['description'] = $clang->gT('Italian (formal)');
            $supportedLanguages['it-formal']['nativedescription'] = 'Formale Italiano';
            $supportedLanguages['it-formal']['rtl'] = false;
            $supportedLanguages['it-formal']['dateformat'] = 5;
            $supportedLanguages['it-formal']['radixpoint'] = 1;

            // Japanese
            $supportedLanguages['ja']['description'] = $clang->gT('Japanese');
            $supportedLanguages['ja']['nativedescription'] = '&#x65e5;&#x672c;&#x8a9e;';
            $supportedLanguages['ja']['rtl'] = false;
            $supportedLanguages['ja']['dateformat'] = 6;
            $supportedLanguages['ja']['radixpoint'] = 0;

            // Korean
            $supportedLanguages['ko']['description'] = $clang->gT('Korean');
            $supportedLanguages['ko']['nativedescription'] = '&#54620;&#44397;&#50612;';
            $supportedLanguages['ko']['rtl'] = false;
            $supportedLanguages['ko']['dateformat'] = 7;
            $supportedLanguages['ko']['radixpoint'] = 0;

            // Lithuanian
            $supportedLanguages['lt']['description'] = $clang->gT('Lithuanian');
            $supportedLanguages['lt']['nativedescription'] = 'Lietuvi&#371;';
            $supportedLanguages['lt']['rtl'] = false;
            $supportedLanguages['lt']['dateformat'] = 6;
            $supportedLanguages['lt']['radixpoint'] = 1;

            // Latvian
            $supportedLanguages['lv']['description'] = $clang->gT('Latvian');
            $supportedLanguages['lv']['nativedescription'] = 'Latvie&#353;u';
            $supportedLanguages['lv']['rtl'] = false;
            $supportedLanguages['lv']['dateformat'] = 6;
            $supportedLanguages['lv']['radixpoint'] = 1;

            // Macedonian
            $supportedLanguages['mk']['description'] = $clang->gT('Macedonian');
            $supportedLanguages['mk']['nativedescription'] = '&#1052;&#1072;&#1082;&#1077;&#1076;&#1086;&#1085;&#1089;&#1082;&#1080;';
            $supportedLanguages['mk']['rtl'] = false;
            $supportedLanguages['mk']['dateformat'] = 1;
            $supportedLanguages['mk']['radixpoint'] = 1;

            // Malay
            $supportedLanguages['ms']['description'] = $clang->gT('Malay');
            $supportedLanguages['ms']['nativedescription'] = 'Bahasa Melayu';
            $supportedLanguages['ms']['rtl'] = false;
            $supportedLanguages['ms']['dateformat'] = 1;
            $supportedLanguages['ms']['radixpoint'] = 0;

            // Maltese
            $supportedLanguages['mt']['description'] = $clang->gT('Maltese');
            $supportedLanguages['mt']['nativedescription'] = 'Malti';
            $supportedLanguages['mt']['rtl'] = false;
            $supportedLanguages['mt']['dateformat'] = 1;
            $supportedLanguages['mt']['radixpoint'] = 0;

            // Norwegian Bokmal
            $supportedLanguages['nb']['description'] = $clang->gT('Norwegian (Bokmal)');
            $supportedLanguages['nb']['nativedescription'] = 'Norsk Bokm&#229;l';
            $supportedLanguages['nb']['rtl'] = false;
            $supportedLanguages['nb']['dateformat'] = 4;
            $supportedLanguages['nb']['radixpoint'] = 1;

            // Norwegian Nynorsk
            $supportedLanguages['nn']['description'] = $clang->gT('Norwegian (Nynorsk)');
            $supportedLanguages['nn']['nativedescription'] = 'Norsk Nynorsk';
            $supportedLanguages['nn']['rtl'] = false;
            $supportedLanguages['nn']['dateformat'] = 4;
            $supportedLanguages['nn']['radixpoint'] = 1;

            // Persian
            $supportedLanguages['fa']['description'] = $clang->gT('Persian');
            $supportedLanguages['fa']['nativedescription'] = '&#1601;&#1575;&#1585;&#1587;&#1740;';
            $supportedLanguages['fa']['rtl'] = true;
            $supportedLanguages['fa']['dateformat'] = 6;
            $supportedLanguages['fa']['radixpoint'] = 0;

            // Polish
            $supportedLanguages['pl']['description'] = $clang->gT('Polish');
            $supportedLanguages['pl']['nativedescription'] = 'Polski';
            $supportedLanguages['pl']['rtl'] = false;
            $supportedLanguages['pl']['dateformat'] = 1;
            $supportedLanguages['pl']['radixpoint'] = 1;

            // Portuguese
            $supportedLanguages['pt']['description'] = $clang->gT('Portuguese');
            $supportedLanguages['pt']['nativedescription'] = 'Portugu&#234;s';
            $supportedLanguages['pt']['rtl'] = false;
            $supportedLanguages['pt']['dateformat'] = 5;
            $supportedLanguages['pt']['radixpoint'] = 1;

            // Brazilian Portuguese
            $supportedLanguages['pt-BR']['description'] = $clang->gT('Portuguese (Brazilian)');
            $supportedLanguages['pt-BR']['nativedescription'] = 'Portugu&#234;s do Brasil';
            $supportedLanguages['pt-BR']['rtl'] = false;
            $supportedLanguages['pt-BR']['dateformat'] = 5;
            $supportedLanguages['pt-BR']['radixpoint'] = 1;

            // Punjabi
            $supportedLanguages['pa']['description'] = $clang->gT('Punjabi');
            $supportedLanguages['pa']['nativedescription'] = '&#2602;&#2672;&#2588;&#2622;&#2604;&#2624;';
            $supportedLanguages['pa']['rtl'] = false;
            $supportedLanguages['pa']['dateformat'] = 2;
            $supportedLanguages['pa']['radixpoint'] = 0;

            // Russian
            $supportedLanguages['ru']['description'] = $clang->gT('Russian');
            $supportedLanguages['ru']['nativedescription'] = '&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;';
            $supportedLanguages['ru']['rtl'] = false;
            $supportedLanguages['ru']['dateformat'] = 1;
            $supportedLanguages['ru']['radixpoint'] = 1;

            // Romanian
            $supportedLanguages['ro']['description'] = $clang->gT('Romanian');
            $supportedLanguages['ro']['nativedescription'] = 'Rom&#226;nesc';
            $supportedLanguages['ro']['rtl'] = false;
            $supportedLanguages['ro']['dateformat'] = 1;
            $supportedLanguages['ro']['radixpoint'] = 1;

            // Slovak
            $supportedLanguages['sk']['description'] = $clang->gT('Slovak');
            $supportedLanguages['sk']['nativedescription'] = 'Slov&aacute;k';
            $supportedLanguages['sk']['rtl'] = false;
            $supportedLanguages['sk']['dateformat'] = 4;
            $supportedLanguages['sk']['radixpoint'] = 1;

            // Sinhala
            $supportedLanguages['si']['description'] = $clang->gT('Sinhala');
            $supportedLanguages['si']['nativedescription'] = '&#3523;&#3538;&#3458;&#3524;&#3517;';
            $supportedLanguages['si']['rtl'] = false;
            $supportedLanguages['si']['dateformat'] = 5;
            $supportedLanguages['si']['radixpoint'] = 0;

            // Slovenian
            $supportedLanguages['sl']['description'] = $clang->gT('Slovenian');
            $supportedLanguages['sl']['nativedescription'] = 'Sloven&#353;&#269;ina';
            $supportedLanguages['sl']['rtl'] = false;
            $supportedLanguages['sl']['dateformat'] = 4;
            $supportedLanguages['sl']['radixpoint'] = 1;

            // Serbian
            $supportedLanguages['sr']['description'] = $clang->gT('Serbian');
            $supportedLanguages['sr']['nativedescription'] = 'Srpski';
            $supportedLanguages['sr']['rtl'] = false;
            $supportedLanguages['sr']['dateformat'] = 4;
            $supportedLanguages['sr']['radixpoint'] = 1;

            // Spanish
            $supportedLanguages['es']['description'] = $clang->gT('Spanish');
            $supportedLanguages['es']['nativedescription'] = 'Espa&#241;ol';
            $supportedLanguages['es']['rtl'] = false;
            $supportedLanguages['es']['dateformat'] = 5;
            $supportedLanguages['es']['radixpoint'] = 1;

            // Spanish (Mexico)
            $supportedLanguages['es-MX']['description'] = $clang->gT('Spanish (Mexico)');
            $supportedLanguages['es-MX']['nativedescription'] = 'Espa&#241;ol Mejicano';
            $supportedLanguages['es-MX']['rtl'] = false;
            $supportedLanguages['es-MX']['dateformat'] = 5;
            $supportedLanguages['es-MX']['radixpoint'] = 0;

            // Swedish
            $supportedLanguages['sv']['description'] = $clang->gT('Swedish');
            $supportedLanguages['sv']['nativedescription'] = 'Svenska';
            $supportedLanguages['sv']['rtl'] = false;
            $supportedLanguages['sv']['dateformat'] = 6;
            $supportedLanguages['sv']['radixpoint'] = 1;

            // Turkish
            $supportedLanguages['tr']['description'] = $clang->gT('Turkish');
            $supportedLanguages['tr']['nativedescription'] = 'T&#252;rk&#231;e';
            $supportedLanguages['tr']['rtl'] = false;
            $supportedLanguages['tr']['dateformat'] = 5;
            $supportedLanguages['tr']['radixpoint'] = 1;

            // Thai
            $supportedLanguages['th']['description'] = $clang->gT('Thai');
            $supportedLanguages['th']['nativedescription'] = '&#3616;&#3634;&#3625;&#3634;&#3652;&#3607;&#3618;';
            $supportedLanguages['th']['rtl'] = false;
            $supportedLanguages['th']['dateformat'] = 5;
            $supportedLanguages['th']['radixpoint'] = 0;


            //Urdu
            $supportedLanguages['ur']['description'] = $clang->gT('Urdu');
            $supportedLanguages['ur']['nativedescription'] = '&#1575;&#1585;&#1583;&#1608;';
            $supportedLanguages['ur']['rtl'] = true;
            $supportedLanguages['ur']['dateformat'] = 2;
            $supportedLanguages['ur']['radixpoint'] = 0;

            // Vietnamese
            $supportedLanguages['vi']['description'] = $clang->gT('Vietnamese');
            $supportedLanguages['vi']['nativedescription'] = 'Ti&#7871;ng Vi&#7879;t';
            $supportedLanguages['vi']['rtl'] = false;
            $supportedLanguages['vi']['dateformat'] = 5;
            $supportedLanguages['vi']['radixpoint'] = 1;
        }

        if ($orderbynative)
        {
            uasort($supportedLanguages,"user_sort_native");
        }
        else
        {
            uasort($supportedLanguages,"user_sort");
        }

        $result[$orderbynative] = $supportedLanguages;

        Return $supportedLanguages;
    }


    /**
    *  Returns avaliable formats for Radix Points (Decimal Seperators) or returns
    *  radix point info about a specific format.
    *
    *  @param int $format Format ID/Number [optional]
    */

    function getRadixPointData($format=-1)
    {
        $clang = Yii::app()->lang;
        $aRadixFormats = array (
        0=>array('seperator'=> '.', 'desc'=> $clang->gT('Dot (.)')),
        1=>array('seperator'=> ',', 'desc'=> $clang->gT('Comma (,)'))
        );

        // hack for fact that null sometimes sent to this function
        if (is_null($format)) {
            $format = 0;
        }

        if ($format >= 0)
            return $aRadixFormats[$format];
        else
            return $aRadixFormats;
    }


    /**
    * Convert a 'dateformat' format string to a 'phpdate' format.
    *
    * @param $sDateformat string
    * @returns string
    *
    */
    function sPhpdateFromDateformat($sDateformat)
    {
        // Note that order is relevant (longer strings first)
        $aFmts = array(
        // With leading zero
        "dd"   => "d",
        "mm"   => "m",
        "yyyy" => "Y",
        "HH"   => "H",
        "MM"   => "i",
        // Without leading zero
        "d"    => "j",
        "m"    => "n",
        "yy"   => "y",
        "H"    => "G",
        "M"    => "i");

        // Extra allowed characters
        $aAllowed = array('-', '.', '/', ':', ' ');

        // Convert
        $tmp = array();
        foreach ($aAllowed as $k)
        {
            $tmp[$k] = true;
        }
        foreach (array_values($aFmts) as $k)
        {
            for ($i = 0; $i < strlen($k); $i++)
            {
                $tmp[$k[$i]] = true;
            }
        }
        $aAllowed = $tmp;

        $tmp = strtr($sDateformat, $aFmts);
        $sPhpdate = "";
        for ($i = 0; $i < strlen($tmp); $i++)
        {
            $c = $tmp[$i];
            if(isset($aAllowed[$c]))
            {
                $sPhpdate .= $c;
            }
        }

        return $sPhpdate;
    }


    /**
    * Convert a 'dateformat' format string to a 'jsdate' format.
    *
    * @param $sDateformat string
    * @returns string
    *
    */
    function sJsdateFromDateformat($sDateformat)
    {
        // The only difference from dateformat is that Jsdate does not support truncated years
        return str_replace("yyyy", "yy", $sDateformat);
    }


    /**
    * Get the date format details for a specific question.
    *
    * @param $aQidAttributes array Question attributes
    * @param $mThisSurvey mixed Array of Survey attributes or surveyid
    * @returns array
    *
    */
    function aGetDateFormatDataForQid($aQidAttributes, $mThisSurvey)
    {
        if (trim($aQidAttributes['date_format'])!='')
        {
            $aDateFormatDetails = array();
            $aDateFormatDetails['dateformat'] = trim($aQidAttributes['date_format']);
            $aDateFormatDetails['phpdate'] = sPhpdateFromDateformat($aDateFormatDetails['dateformat']);
            $aDateFormatDetails['jsdate'] = sJsdateFromDateformat($aDateFormatDetails['dateformat']);
        }
        else
        {
            if(!is_array($mThisSurvey))
            {
                $mThisSurvey = array('surveyls_dateformat' => aGetDateFormatForSid($mThisSurvey));
            }
            $aDateFormatDetails = getDateFormatData($mThisSurvey['surveyls_dateformat']);
        }
        return $aDateFormatDetails;
    }


    /**
    * Get the date format for a specified survey
    *
    * @param $surveyid integer Survey id
    * @param $languagecode string Survey language code (optional)
    * @returns integer
    *
    */
    function aGetDateFormatForSid($surveyid, $languagecode='')
    {
        if (!isset($languagecode) || $languagecode=='')
        {
            $languagecode=Survey::model()->findByPk($surveyid)->language;;
        }
        $data = Survey_languagesettings::model()->getDateFormat($surveyid,$languagecode);
        //$query = "SELECT surveyls_dateformat FROM ".db_table_name('surveys').",".db_table_name('surveys_languagesettings')." WHERE sid=$surveyid and surveyls_survey_id=$surveyid and surveyls_language='$languagecode'";
        $dateformat = $data->readAll();
        if(is_null($dateformat))
        {
            $dateformat = 0;
        }
        return $dateformat;
    }


    /**
    * Check whether we can show the JS date picker with the current format
    *
    * @param $dateformatdetails array Date format details for the question
    * @param $dateformats array Available date formats
    * @returns integer
    *
    */
    function bCanShowDatePicker($dateformatdetails, $dateformats=null)
    {
        if(is_null($dateformats))
        {
            $dateformats = getDateFormatData();
        }
        $showpicker = false;
        foreach($dateformats as $format)
        {
            if($format['jsdate'] == $dateformatdetails['jsdate'])
            {
                $showpicker = true;
                break;
            }
        }
        return $showpicker;
    }


    function getLanguageCodefromLanguage($languagetosearch)
    {
        $detaillanguages = getLanguageData(false,Yii::app()->session['adminlang']);
        foreach ($detaillanguages as $key2=>$languagename)
        {
            if ($languagetosearch==$languagename['description'])
            {
                return $key2;
            }
        }
        // else return default en code
        return "en";
    }




    function getLanguageNameFromCode($codetosearch, $withnative=true)
    {
        $detaillanguages = getLanguageData(false,Yii::app()->session['adminlang']);
        if (isset($detaillanguages[$codetosearch]['description']))
        {
            if ($withnative) {
                return $detaillanguages[$codetosearch]['description'].' - '.$detaillanguages[$codetosearch]['nativedescription'];
            }
            else { return $detaillanguages[$codetosearch]['description'];}
        }
        else
            // else return default en code
            return false;
    }


    function getLanguageRTL($sLanguageCode)
    {
        $aLanguageData= getLanguageData(false,$sLanguageCode);
        if (isset($aLanguageData[$sLanguageCode]['rtl']))
        {
            return $aLanguageData[$sLanguageCode]['rtl'];
        }
        else
        {
            return false;
        }
    }

    /**
    * Returns the locale settings for a certain language code
    *
    * @param string $codetosearch
    * @return array Array with locale details
    *
    */
    function getLanguageDetails($codetosearch)
    {
        $detaillanguages = getLanguageData(false,Yii::app()->session['adminlang']);
        if (isset($detaillanguages[$codetosearch]))
        {
            return $detaillanguages[$codetosearch];
        }
        else
        {
            return $detaillanguages['en'];
        }
    }

    function getLanguageDataRestricted($orderbynative=false) {
        $aLanguageData=getLanguageData($orderbynative);

        if (trim(Yii::app()->getConfig('restrictToLanguages'))!='')
        {
            foreach(explode(' ',trim(Yii::app()->getConfig('restrictToLanguages'))) AS $key) {
                $aArray[$key] = $aLanguageData[$key];
            }
        }
        else
        {
            $aArray=$aLanguageData;
        }
        return $aArray;
    }

    function user_sort($a, $b) {

        // smarts is all-important, so sort it first
        if($a['description'] >$b['description']) {
            return 1;
        }
        else {
            return -1;
        }
    }

    function user_sort_native($a, $b) {

        // smarts is all-important, so sort it first
        if($a['nativedescription'] >$b['nativedescription']) {
            return 1;
        }
        else {
            return -1;
        }
    }


    /*    // future languages
    // Afrikaans
    $supportedLanguages['za']['nativedescription'] = 'Afrikaans';
    // Irish
    $supportedLanguages['ie']['nativedescription'] = 'Gaeilge';
    // Serbian
    $supportedLanguages['yu']['nativedescription'] = 'Srpski';
    */


    /**
    * This function  support the ability NOT to reverse numbers (for example when you output
    * a phrase as a parameter for a SWF file that can't handle RTL languages itself, but
    * obviously any numbers should remain the same as in the original phrase).
    *  Note that it can be used just as well for UTF-8 usages if you want the numbers to remain intact
    *
    * @param string $str
    * @param boolean $reverse_numbers
    * @return string
    */
    function utf8_strrev($str, $reverse_numbers=false) {
        preg_match_all('/./us', $str, $ar);
        if ($reverse_numbers)
            return join('',array_reverse($ar[0]));
        else {
            $temp = array();
            foreach ($ar[0] as $value) {
                if (is_numeric($value) && !empty($temp[0]) && is_numeric($temp[0])) {
                    foreach ($temp as $key => $value2) {
                        if (is_numeric($value2))
                            $pos = ($key + 1);
                        else
                            break;
                    }
                    $temp2 = array_splice($temp, $pos);
                    $temp = array_merge($temp, array($value), $temp2);
                } else
                    array_unshift($temp, $value);
            }
            return implode('', $temp);
        }
    }

?>